Breast box nozzle for a paper machine

The breast box nozzle comprises a nozzle-type pulp stock duct formed by stream-guiding walls of the same width as the machine. The pulp stock duct is limited at its pulp stock discharge gap by a surface which extends over the width of the machine and is not touched by the pulp stock. Deposits in the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	EGELHOF, DIETER
Format:	Patent
Sprache:	eng
Schlagworte:	APPLIANCES PREVENTING OR INDICATING UNAUTHORIZED USE OR THEFTOF CYCLES CYCLE STANDS DEVICES FOR LEARNING TO RIDE CYCLES LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS LOCKS INTEGRAL WITH CYCLES METHODS OF PRODUCING PAPER THEREON PAPER-MAKING PAPER-MAKING MACHINES PERFORMING OPERATIONS PRODUCTION OF CELLULOSE SUPPORTS OR HOLDERS FOR PARKING OR STORING CYCLES TEXTILES TRANSPORTING
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Beschreibung
Zusammenfassung:	The breast box nozzle comprises a nozzle-type pulp stock duct formed by stream-guiding walls of the same width as the machine. The pulp stock duct is limited at its pulp stock discharge gap by a surface which extends over the width of the machine and is not touched by the pulp stock. Deposits in the area of the breast box nozzle which are caused by spray mists may cause defects in basis weight/cross section of the web being produced. The precipitation of the spray mist on the surface not touched by the pulp stock is prevented by a device which discharges a gaseous fluid into the space lying in front of this surface.